LXT9880 datasheet(6/118 Pages) INTEL

6 / 118 page

LXT9860/9880 — Advanced 10/100 Repeater with Integrated Management

Datasheet

Document #: 248987

Revision#: 003

Rev Date: 08/07/01

Figures

LXT98x0 Block Diagram ..................................................................................... 11

LXT98x0 Pin Assignments .................................................................................. 12

Typical LXT988x Managed Repeater Architectures ........................................... 32

MII Interface ........................................................................................................ 34

LED Blink Rates .................................................................................................. 39

Serial LED Shift Loading .................................................................................... 40

Serial LED Port Signaling.................................................................................... 41

100 Mbps IRB Connection .................................................................................. 49

IRB Block Diagram ............................................................................................. 50

LXT9880 MII Operation ....................................................................................... 52

Typical SMI Bus Architecture ............................................................................. 52

SMI Collision Handling ........................................................................................ 54

SMI Address Match Indication ............................................................................ 54

Serial Management Frame Format ..................................................................... 55

Address Arbitration Mechanisms ....................................................................... 58

Optional R/W Serial PROM Interface .................................................................. 60

Serial Configuration Interface.............................................................................. 61

Serial Configuration Interface Signaling .............................................................. 61

8-Port Managed 10/100 Stackable Repeater ...................................................... 62

32-Port Managed 10/100 Repeater..................................................................... 62

Power and Ground Connections ......................................................................... 65

Typical Twisted-Pair Port Interface and Power Supply Filtering ........................ 67

Typical Serial Management Interface Connections............................................. 68

Serial Controller Connection Showing PAL......................................................... 68

Serial PROM Interface ........................................................................................ 69

Typical Reset Circuit .......................................................................................... 69

LED Circuits - Direct Drive & Multiplexed Configuration Inputs .......................... 70

Serial LED Circuit................................................................................................ 71

100 Mbps Backplane Connection between LXT98x and LXT98x0 ..................... 73

Typical 100 Mbps IRB Implementation ............................................................... 74

Typical 10 Mbps IRB Implementation ................................................................ 74

100 Mbps TP Port-to-Port Delay Timing ............................................................. 79

100BASE-TX MII-to-TP Port Timing ................................................................... 80

100BASE-TX TP-to-MII Timing ........................................................................... 81

10BASE-T MII-to-TP Timing ............................................................................... 82

10BASE-T TP-to-MII Timing ............................................................................... 83

100 Mbps TP-to-IRB Timing................................................................................ 84

10 Mbps TP-to-IRB Timing.................................................................................. 84

10 Mbps IRB-to-TP Port Timing .......................................................................... 85

Serial Management Interface Timing .................................................................. 86

PROM Interface Timing....................................................................................... 87

LXT98x0 Package Specifications for Commercial Temperature....................... 117

LXT98x0 Package Specifications for Extended Temperature........................... 118

LXT9880 Datasheet(PDF) 6 Page - Intel Corporation

LXT9880 Datasheet(HTML) 6 Page - Intel Corporation

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL